Green production process for iodate

A green production process for an M(IO3)x iodate in which M is a cation and x is 1, 2, 3, 4, 5 or 6, comprising:

• preparing lithium iodate by
• preparing an electrolyte containing lithium ions and iodine ions, wherein a pH of the electrolyte is from 7 to 14, and
• introducing the electrolyte into an electrolysis system comprising an electrolytic cell and electrifying to carry out an electrolysis reaction to prepare a lithium iodate solution containing the lithium iodate,
• wherein the electrolytic cell includes a diaphragm or is diaphragm-free, the electrolytic cell is closed or open, the electrolytic cell includes at least one pair of an anode and a cathode, wherein the anode comprises a plate with graphite, lead dioxide or titanium substrate coated with precious metal materials, and the cathode comprises a plate with conductive materials, the electrolysis reaction is carried out at a temperature of from 0 to 110° C., a voltage between a single pair of anode and cathode plates is 0.1V-20V, and during the electrolysis reaction, the electrolyte is fed and discharged intermittently or continuously,
• adding (1) an iodide having a same cation as the M(IO3)x iodate, or (2) substances that can react to produce the iodide having the same cation as the M(IO3)x iodate, to the lithium iodate solution, and
• reacting the lithium iodate with the iodide to prepare the M(IO3)x iodate.